1027664041 has 4 divisors (see below), whose sum is σ = 1027938772. Its totient is φ = 1027389312.

The previous prime is 1027664017. The next prime is 1027664083. The reversal of 1027664041 is 1404667201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 238054041 + 789610000 = 15429^2 + 28100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027664041 - 2¹¹ = 1027661993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1027663994 and 1027664012.

It is not an unprimeable number, because it can be changed into a prime (1027604041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131676 + ... + 139261.

It is an arithmetic number, because the mean of its divisors is an integer number (256984693).

Almost surely, 2^1027664041 is an apocalyptic number.

It is an amenable number.

1027664041 is a deficient number, since it is larger than the sum of its proper divisors (274731).

1027664041 is an equidigital number, since it uses as much as digits as its factorization.

1027664041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274730.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1027664041 is about 32057.1995189848. The cubic root of 1027664041 is about 1009.1375970044.

The spelling of 1027664041 in words is "one billion, twenty-seven million, six hundred sixty-four thousand, forty-one".